Principles to tailor the saturable and reverse saturable absorption of epsilon-near-zero material

Hao Ma; Yuanan Zhao; Yuchen Shao; Yafei Lian; Weili Zhang; Guohang Hu; Yuxin Leng; Jianda Shao

doi:10.1364/PRJ.417642

Photonics Research, Volume. 9, Issue 5, 678(2021)

Principles to tailor the saturable and reverse saturable absorption of epsilon-near-zero material

Hao Ma^1,2,3, Yuanan Zhao^1,2,3、*, Yuchen Shao^1,2,3, Yafei Lian^1,2,3, Weili Zhang^1,2,3, Guohang Hu^1,2,3, Yuxin Leng⁴, and Jianda Shao^1,2,3,5,6

Author Affiliations

¹Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

³Key Laboratory of Materials for High Power Laser, Chinese Academy of Sciences, Shanghai 201800, China

⁴State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

⁵Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China

⁶e-mail: jdshao@siom.ac.cn

show less

Figures & Tables(9)

$Characterization of as-deposited and annealed ITO films. SEM images showing (a) as-deposited ITO film and (b) ITO film annealed at 400˚C. (c) X-ray diffraction pattern. (d) Linear optical transmittance spectrum.$

Fig. 1. Characterization of as-deposited and annealed ITO films. SEM images showing (a) as-deposited ITO film and (b) ITO film annealed at 400˚C. (c) X-ray diffraction pattern. (d) Linear optical transmittance spectrum.

Download full size

View in Article

Fig. 2. Real and imaginary components of the permittivity of ITO films. (a) As-deposited ITO film. (b) Post-annealed ITO film.

Download full size

View in Article

Fig. 3. Optical nonlinear absorption measurement setup based on the Z-scan method.

Download full size

View in Article

Fig. 4. Open aperture Z-scan results of as-deposited ITO films under excitation of 1030 nm at different input fluences.

Download full size

View in Article

Fig. 5. Open aperture Z-scan results of as-deposited ITO films under excitation of 1440 nm at different input fluences. (a) OA Z-scan. (b) CA Z-scan.

Download full size

View in Article

Fig. 6. Dependence of normalized transmittance of ITO films (as-deposited and annealed) on optical intensity using different pump sources. (a) 1030 nm. (b) 1440 nm.

Download full size

View in Article

Fig. 7. Transient response of Te and Tl obtained using the two-temperature model under different pump fluences. (a) 1030 nm excitation. (b) 1440 nm excitation.

Download full size

View in Article

Table 1. Saturated Absorption Intensity ( $I_{s}$ ) and Corresponding Three-Photon Absorption Coefficient ( $γ$ )
View table
View in Article
Table 1. Saturated Absorption Intensity ( $I_{s}$ ) and Corresponding Three-Photon Absorption Coefficient ( $γ$ )
Laser Intensity ( $GW / {cm}^{2}$ ) 24.5 61.2 91.8 122.4 214.2
$I_{s}$ ( $GW / {cm}^{2}$ ) 64.4 67.1 76.1 105.9 88.5
$γ$ ( ${cm}^{3} / {GW}^{2}$ ) $3.6 \times 10^{- 3}$ $6.0 \times 10^{- 3}$ $4.9 \times 10^{- 2}$ $6.1 \times 10^{- 2}$ $8.8 \times 10^{- 2}$

Table 2. Hall-Effect Properties of As-deposited and Annealed ITO Films
View table
View in Article
Table 2. Hall-Effect Properties of As-deposited and Annealed ITO Films
Samples Carrier Concentration ( ${cm}^{- 3}$ ) Mobility [ ${cm}^{2} / (V \cdot s)$ ] Resistivity ( $Ω \cdot cm$ )
As-deposited $7.5 \times 10^{21}$ 31.5 2.2
Annealed $1.6 \times 10^{21}$ 39.7 11.9

Tools

Get Citation

Copy Citation Text

Hao Ma, Yuanan Zhao, Yuchen Shao, Yafei Lian, Weili Zhang, Guohang Hu, Yuxin Leng, Jianda Shao, "Principles to tailor the saturable and reverse saturable absorption of epsilon-near-zero material," Photonics Res. 9, 678 (2021)

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Optical and Photonic Materials

Received: Dec. 15, 2020

Accepted: Feb. 27, 2021

Published Online: May. 24, 2021

The Author Email: Yuanan Zhao (yazhao@siom.ac.cn)

DOI:10.1364/PRJ.417642

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Saturated Absorption Intensity (Is) and Corresponding Three-Photon Absorption Coefficient (γ)

Table 1. Saturated Absorption Intensity (Is) and Corresponding Three-Photon Absorption Coefficient (γ)

Table 2. Hall-Effect Properties of As-deposited and Annealed ITO Films

Table 2. Hall-Effect Properties of As-deposited and Annealed ITO Films

Table 1. Saturated Absorption Intensity ( $I_{s}$ ) and Corresponding Three-Photon Absorption Coefficient ( $γ$ )

Table 1. Saturated Absorption Intensity ( $I_{s}$ ) and Corresponding Three-Photon Absorption Coefficient ( $γ$ )